<template>
    <div class="">
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- table表格区域 -->
            <el-table :data="goodslist" border stripe>
                <!-- 索引列 -->
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{ scope.row.add_time | dateFormat }}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <!-- 编辑按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                        <!-- 删除按钮 -->
                        <el-button
                            type="danger"
                            icon="el-icon-delete"
                            size="mini"
                            @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5, 10, 15, 20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                // 查询参数对象
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 10,
                },
                // 商品列表
                goodslist: [],
                // 总数据条数
                total: 0,
            };
        },
        created() {
            this.getGoodsList();
        },
        methods: {
            // 根据分页获取对应的商品列表
            async getGoodsList() {
                const { data: res } = await this.$http.get('goods', { params: this.queryInfo });
                if (res.meta.status !== 200) {
                    return this.$message.error('获取商品列表失败！');
                }
                this.$message.success('获取商品列表成功！');
                this.goodslist = res.data.goods;
                this.total = res.data.total;
            },
            //
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize;
                this.getGoodsList();
            },
            //
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage;
                this.getGoodsList();
            },
            //
            async removeById(id) {
                const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning',
                }).catch(err => err);
                if (confirmResult !== 'confirm') {
                    return this.$message.info('已取消删除');
                }
                const { data: res } = await this.$http.delete(`goods/${id}`);
                if (res.meta.status !== 200) {
                    return this.$message.error('删除失败');
                }
                this.$message.success('删除成功');
                this.getGoodsList();
            },
            //
            goAddpage() {
                this.$router.push('/goods/add');
            },
            //
        },
    };
</script>

<style lang="less" scoped></style>
